English, B. C. (1981). Potential long-term agricultural impacts of the Russian grain embargo. Ames, Iowa: Center for Agricultural and Rural Development. Iowa State University.
Παραπομπή Chicago StyleEnglish, Burton C. Potential Long-term Agricultural Impacts of the Russian Grain Embargo. Ames, Iowa: Center for Agricultural and Rural Development. Iowa State University, 1981.
Παραπομπή MLAEnglish, Burton C. Potential Long-term Agricultural Impacts of the Russian Grain Embargo. Ames, Iowa: Center for Agricultural and Rural Development. Iowa State University, 1981.
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